Zn–Cu-codoped SnO<sub><b>2</b></sub> nanoparticles: Structural, optical, and ferromagnetic behaviors

Zn–Cu-codoped SnO₂ nanoparticles: Structural, optical, and ferromagnetic behaviors

Zulfiqar Syed^{1, 2}, Iqbal Zainab³, Lü Jianguo^{1, †}

(color online) Absorption spectra of Zn–Cu-codoped SnO₂ nanoparticles calcined at 400 °C and 600 °C. The inset shows the corresponding plots of versus photon energy (E).